def get_bar(self, order_book_id, dt, frequency='1d'):
# type: (str, Union[datetime, date], str) -> BarObject
instrument = self.instruments(order_book_id)
if dt is None:
return BarObject(instrument, NANDict, dt)
bar = self._data_source.get_bar(instrument, dt, frequency)
if bar:
return BarObject(instrument, bar)
return BarObject(instrument, NANDict, dt)
def get_bar(self, order_book_id, dt, frequency='1d'):
instrument = self.instruments(order_book_id)
bar = self._data_source.get_bar(instrument, dt, frequency)
if bar:
if frequency[-1] == 'd':
return BarObject(instrument, bar)
return MinuteBarObject(instrument, bar)
def mock_bar(instrument, **kwargs):
from rqalpha.model.bar import BarObject
return BarObject(instrument, kwargs)
def get_bar(self, order_book_id, dt, frequency='1d'):
instrument = self.instruments(order_book_id) #判断是不是指数
bar = self._data_source.get_bar(instrument, dt, frequency)
if bar:
return BarObject(instrument, bar)